Yahweh, via Ezekiel, was trying to tell Gog that after many days, he should gather or muster up his troops to prepare for a battle to come years later. They were going to fight against a land that had been restored from a war situation. These people had been gathered from many countries to go to this former wasteland of Israel. Now, however, they were living securely and peacefully. Yet Gog and his troops should advance on them like a storm or a cloud covering the land. Gog should bring all his large army of troops with him.